Java Data Type Tutorial - Java StringBuilder.trimToSize()

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Syntax

StringBuilder.trimToSize() has the following syntax.

public void trimToSize()

Example

In the following code shows how to use StringBuilder.trimToSize() method.

public class Main {
  public static void main(String[] argv) {
    StringBuilder sb = new StringBuilder();
    sb.append("java2s.com");
    /*from ww w  .  j  av  a2s .com*/
    System.out.println(sb.length());
    System.out.println(sb.capacity());
    
    sb.trimToSize();
    
    System.out.println(sb.length());
    System.out.println(sb.capacity());

  }
}

The output:

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